The venture was very lucrative. Each trip netted hundreds of thousand of baht, several times the annual licence fee. As the organizer, Kamnan Bo obtained 20 per cent cut of the jproceeds of all other boats, He also made money by trading United States dollars between the American base in Sattahip and the black market in Cambodia. The fishing ventures lasted two years, after which he had to quit becauso of problems with cambodian officials, and because of the civil war.